CVE-2026-86114

Impact

Arcane versions before 2.0.0 fail to properly restrict template operations, allowing default user role accounts to create, modify, and delete compose templates including instance-wide defaults. Attackers can inject malicious container configurations with privileged settings or host path mounts that execute with administrative privileges when deployed by administrators.

Affected products

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References

• NVD record
• CVE.org record
• https://github.com/geo-chen/oss/blob/main/arcane.md
• https://github.com/getarcaneapp/arcane
• https://github.com/getarcaneapp/arcane/blob/v1.19.5/backend/api/handlers/templates.go
• https://github.com/getarcaneapp/arcane/commit/1500646aa91f
• https://github.com/getarcaneapp/arcane/releases/tag/v2.0.0
• https://www.vulncheck.com/advisories/arcane-before-2.0.0-missing-administrator-authorization-on-the-compose-template-mutation-endpoints